Self-locking retainer pin



FIG. 1 is a perspective view of a self-locking retainer pin according toour invention;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left-side elevational view thereof; the right-sideelevational view being a mirror image thereof, therefore not shown;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

CLAIM The ornamental design for a self-locking retainer pin, as shownand described.